18620616

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 57139200

約数和(自身を除く): 38518584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 61, 69, 79, 84, 92, 122, 138, 158, 161, 168, 183, 184, 237, 244, 276, 316, 322, 366, 427, 474, 483, 488, 552, 553, 632, 644, 732, 854, 948, 966, 1106, 1281, 1288, 1403, 1464, 1659, 1708, 1817, 1896, 1932, 2212, 2562, 2806, 3318, 3416, 3634, 3864, 4209, 4424, 4819, 5124, 5451, 5612, 6636, 7268, 8418, 9638, 9821, 10248, 10902, 11224, 12719, 13272, 14457, 14536, 16836, 19276, 19642, 21804, 25438, 28914, 29463, 33672, 33733, 38157, 38552, 39284, 43608, 50876, 57828, 58926, 67466, 76314, 78568, 101199, 101752, 110837, 115656, 117852, 134932, 152628, 202398, 221674, 235704, 269864, 305256, 332511, 404796, 443348, 665022, 775859, 809592, 886696, 1330044, 1551718, 2327577, 2660088, 3103436, 4655154, 6206872, 9310308, 18620616]

約数ペア:

[(1, 18620616), (2, 9310308), (3, 6206872), (4, 4655154), (6, 3103436), (7, 2660088), (8, 2327577), (12, 1551718), (14, 1330044), (21, 886696), (23, 809592), (24, 775859), (28, 665022), (42, 443348), (46, 404796), (56, 332511), (61, 305256), (69, 269864), (79, 235704), (84, 221674), (92, 202398), (122, 152628), (138, 134932), (158, 117852), (161, 115656), (168, 110837), (183, 101752), (184, 101199), (237, 78568), (244, 76314), (276, 67466), (316, 58926), (322, 57828), (366, 50876), (427, 43608), (474, 39284), (483, 38552), (488, 38157), (552, 33733), (553, 33672), (632, 29463), (644, 28914), (732, 25438), (854, 21804), (948, 19642), (966, 19276), (1106, 16836), (1281, 14536), (1288, 14457), (1403, 13272), (1464, 12719), (1659, 11224), (1708, 10902), (1817, 10248), (1896, 9821), (1932, 9638), (2212, 8418), (2562, 7268), (2806, 6636), (3318, 5612), (3416, 5451), (3634, 5124), (3864, 4819), (4209, 4424)]